diff --git a/src/aec.c b/src/aec.c
index a8669941766bbb2f229759cb4571bd7f37ebe15d..1c0d1e9fd85a6c783ffbab4ef5c2123b38f461f8 100644
--- a/src/aec.c
+++ b/src/aec.c
@@ -62,7 +62,7 @@
 
 #include <libaec.h>
 
-#define CHUNK 1024
+#define CHUNK 10485760
 
 int main(int argc, char *argv[])
 {